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1989 Ford Probe GT F2T Turbo Vacuum Hose Routing Diagram (Corrected)

Vacuum hose routing diagram for a turbo engine with color-coded lines and handwritten orifice placement notes.

AI caption · Photo 87 of 116

This document is a scanned vacuum hose routing diagram labeled "Turbo Engine," showing the intake manifold, throttle body, air cleaner, and associated vacuum lines of a turbocharged engine. Each vacuum hose is identified by a single-letter color code, with a legend defining R: Red, B: Black, Y: Yellow, L: Blue, G: Green, Br: Brown, and W: White. Numerous callouts on the illustration identify the color of each hose along its routing path across the engine. The scan has been annotated in red by the uploader to correct errors in the factory diagram: one note indicates "White orifice goes in this line," pointing to a specific hose on the right side of the engine, and another states "Brown orifice goes here. This diagram is wrong. The brown vacuum line is the middle line," with a dotted leader showing where that line "leads to." Red "Br" and "G" labels are also added near the center to clarify hose colors. A reader can use this document to trace vacuum line routing by color on the turbo engine and to see where the brown and white orifices should actually be installed, per the uploader's corrections. It was uploaded to a 1989 Ford Probe gallery, consistent with the F2T turbo engine reference in the filename.

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Frequently asked questions

What do the letter codes on the vacuum diagram mean?
They are hose color codes: R = Red, B = Black, Y = Yellow, L = Blue, G = Green, Br = Brown, W = White.
Where does the white orifice go?
Per the red annotation, the white orifice goes in the line indicated by the arrow on the right side of the diagram, near the rear of the intake area.
Where does the brown orifice go?
The annotation states the brown orifice goes at the marked location, notes the factory diagram is wrong, and says the brown vacuum line is the middle line, with a dotted line showing where it leads.
Which engine does this vacuum diagram cover?
The diagram is labeled "Turbo Engine," showing vacuum hose routing for the turbocharged engine.
Is the original diagram accurate?
According to the uploader's annotation, no — it says "This diagram is wrong" regarding the brown vacuum line, which is actually the middle line.

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